adding a basic list adapter for widgets

app/build.gradle

@@ -43,5 +43,5 @@ android {
 }
 
 dependencies {
-    implementation 'com.github.SimpleMobileTools:Simple-Commons:813abeed27'
+    implementation 'com.github.SimpleMobileTools:Simple-Commons:28e3b108e7'
 }

app/src/main/kotlin/com/simplemobiletools/launcher/activities/MainActivity.kt

@@ -13,6 +13,7 @@ import com.simplemobiletools.launcher.BuildConfig
 import com.simplemobiletools.launcher.R
 import com.simplemobiletools.launcher.fragments.AllAppsFragment
 import com.simplemobiletools.launcher.fragments.MyFragment
+import com.simplemobiletools.launcher.fragments.WidgetsFragment
 import com.simplemobiletools.launcher.interfaces.FlingListener
 import kotlinx.android.synthetic.main.activity_main.*
 
@@ -47,6 +48,7 @@ class MainActivity : SimpleActivity(), FlingListener {
         super.onResume()
         updateStatusbarColor(Color.TRANSPARENT)
         (all_apps_fragment as AllAppsFragment).setupViews()
+        (widgets_fragment as WidgetsFragment).setupViews()
     }
 
     override fun onBackPressed() {
@@ -62,6 +64,7 @@ class MainActivity : SimpleActivity(), FlingListener {
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
         (all_apps_fragment as AllAppsFragment).onConfigurationChanged()
+        (widgets_fragment as WidgetsFragment).onConfigurationChanged()
     }
 
     override fun onTouchEvent(event: MotionEvent): Boolean {

app/src/main/kotlin/com/simplemobiletools/launcher/adapters/WidgetsAdapter.kt

@@ -0,0 +1,42 @@
+package com.simplemobiletools.launcher.adapters
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.simplemobiletools.commons.extensions.getProperTextColor
+import com.simplemobiletools.launcher.R
+import com.simplemobiletools.launcher.activities.SimpleActivity
+import com.simplemobiletools.launcher.models.AppWidget
+import kotlinx.android.synthetic.main.item_widget_app.view.*
+
+class WidgetsAdapter(
+    val activity: SimpleActivity,
+    val appWidgets: ArrayList<AppWidget>,
+    val itemClick: (Any) -> Unit
+) : RecyclerView.Adapter<WidgetsAdapter.ViewHolder>() {
+
+    private var textColor = activity.getProperTextColor()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_widget_app, parent, false)
+        return ViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.bindView(appWidgets[position])
+    }
+
+    override fun getItemCount() = appWidgets.size
+
+    inner class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        fun bindView(widget: AppWidget): View {
+            itemView.apply {
+                widget_app_title.text = widget.appTitle
+                widget_app_title.setTextColor(textColor)
+            }
+
+            return itemView
+        }
+    }
+}

app/src/main/kotlin/com/simplemobiletools/launcher/fragments/WidgetsFragment.kt

@@ -3,24 +3,36 @@ package com.simplemobiletools.launcher.fragments
 import android.appwidget.AppWidgetManager
 import android.content.Context
 import android.util.AttributeSet
-import com.simplemobiletools.commons.extensions.applyColorFilter
-import com.simplemobiletools.commons.extensions.getProperBackgroundColor
-import com.simplemobiletools.commons.extensions.statusBarHeight
+import android.view.Surface
+import android.view.WindowManager
+import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
+import com.simplemobiletools.commons.helpers.isRPlus
+import com.simplemobiletools.launcher.R
 import com.simplemobiletools.launcher.activities.MainActivity
+import com.simplemobiletools.launcher.adapters.WidgetsAdapter
 import com.simplemobiletools.launcher.models.AppWidget
+import kotlinx.android.synthetic.main.widgets_fragment.view.*
 
 class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment(context, attributeSet) {
     override fun setupFragment(activity: MainActivity) {
         this.activity = activity
         background.applyColorFilter(activity.getProperBackgroundColor())
         setPadding(0, activity.statusBarHeight, 0, 0)
-        getWidgets()
+        getAppWidgets()
     }
 
-    private fun getWidgets() {
+    fun onConfigurationChanged() {
+        widgets_list.scrollToPosition(0)
+        setupViews()
+
+        val appWidgets = (widgets_list.adapter as WidgetsAdapter).appWidgets
+        setupAdapter(appWidgets)
+    }
+
+    private fun getAppWidgets() {
         ensureBackgroundThread {
-            var widgets = ArrayList<AppWidget>()
+            var appWidgets = ArrayList<AppWidget>()
             val manager = AppWidgetManager.getInstance(context)
             val infoList = manager.installedProviders
             for (info in infoList) {
@@ -30,13 +42,59 @@ class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment
                 val width = info.minWidth
                 val height = info.minHeight
                 val widget = AppWidget(appPackageName, appTitle, widgetTitle, width, height)
-                widgets.add(widget)
+                appWidgets.add(widget)
             }
 
-            widgets = widgets.sortedWith(compareBy({ it.appTitle }, { it.widgetTitle })).toMutableList() as ArrayList<AppWidget>
+            appWidgets = appWidgets.sortedWith(compareBy({ it.appTitle }, { it.widgetTitle })).toMutableList() as ArrayList<AppWidget>
+            setupAdapter(appWidgets)
         }
     }
 
+    private fun setupAdapter(appWidgets: ArrayList<AppWidget>) {
+        activity?.runOnUiThread {
+            WidgetsAdapter(activity!!, appWidgets) {
+
+            }.apply {
+                widgets_list.adapter = this
+            }
+        }
+    }
+
+    fun setupViews() {
+        if (activity == null) {
+            return
+        }
+
+        widgets_fastscroller.updateColors(context.getProperPrimaryColor())
+
+        var bottomListPadding = 0
+        var leftListPadding = 0
+        var rightListPadding = 0
+
+        if (activity!!.navigationBarOnBottom) {
+            bottomListPadding = activity!!.navigationBarHeight
+            leftListPadding = 0
+            rightListPadding = 0
+        } else if (activity!!.navigationBarOnSide) {
+            bottomListPadding = 0
+
+            val display = if (isRPlus()) {
+                display!!
+            } else {
+                (activity!!.getSystemService(Context.WINDOW_SERVICE) as WindowManager).defaultDisplay
+            }
+
+            if (display.rotation == Surface.ROTATION_90) {
+                rightListPadding = activity!!.navigationBarWidth
+            } else if (display.rotation == Surface.ROTATION_270) {
+                leftListPadding = activity!!.navigationBarWidth
+            }
+        }
+
+        widgets_list.setPadding(0, 0, resources.getDimension(R.dimen.medium_margin).toInt(), bottomListPadding)
+        widgets_fastscroller.setPadding(leftListPadding, 0, rightListPadding, 0)
+    }
+
     private fun getAppNameFromPackage(packageName: String): String? {
         try {
             val appInfo = activity!!.packageManager.getApplicationInfo(packageName, 0)

app/src/main/res/layout/item_widget_app.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_app_holder"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/widget_app_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:padding="@dimen/normal_margin"
+        android:textSize="@dimen/bigger_text_size"
+        tools:text="@string/app_name" />
+
+</RelativeLayout>

app/src/main/res/layout/widgets_fragment.xml

@@ -13,7 +13,7 @@
         app:fastScrollEnabled="false">
 
         <com.simplemobiletools.commons.views.MyRecyclerView
-            android:id="@+id/widgets_grid"
+            android:id="@+id/widgets_list"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:clipToPadding="false"